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Finding the Fourth Proportional to 350,455.71, 525,683.49 and 84,216.22

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Solution

The fourth proportional to 350,455.71, 525,683.49 and 84,216.22 is: 126,324.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,455.71 : 525,683.49 = 84,216.22 : x
  2. Step 2: Convert to fraction form
    350,455.71/525,683.49 = 84,216.22/x
  3. Step 3: Cross multiply
    350,455.71x = 525,683.49 × 84,216.22
  4. Step 4: Simplify right side
    350,455.71x = 44,271,076,444.21
  5. Step 5: Solve for x
    x = 44,271,076,444.21/350,455.71
  6. Step 6: Final answer
    x = 126,324.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.